Interested in finding stocks that may be trading below their fair value? If so, here are some ideas to get started on your search.

We ran a screen on the healthcare sector for stocks that appear undervalued relative to earnings growth, with PEG below 1, and relative to levered free cash flow, with high ratios of levered free cash flow/enterprise value.

Levered free cash flow is the free cash flow after deducting interest payments on outstanding debt. Enterprise value is the sum of the firm's value from all ownership sources: market cap, outstanding debt, and preferred shares.

‪Interactive Chart: Press Play to compare changes in analyst ratings over the last two years for the top six stocks mentioned below. Analyst ratings sourced from Zacks Investment Research.‬

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Do you think these stocks should be trading higher? Use this list as a starting point for your own analysis.

List sorted by LFCF/EV.

1. WellPoint Inc. (WLP): Operates as a health benefits company in the United States. PEG at 0.9. Levered free cash flow at $3.46B vs. enterprise value at $13.84B (implies a LFCF/EV ratio at 25%).

2. Aetna Inc. (NYSE:AET): Operates as a diversified healthcare benefits company in the United States. PEG at 0.79. Levered free cash flow at $3.12B vs. enterprise value at $16.26B (implies a LFCF/EV ratio at 19.19%).